#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;


int main()
{
    ll n,m,s,p,q,i,j,k,a,b,virat,rohit,cnt=0,t;
    cin>>t;
    while(t--)
    {
        cin>>n>>m>>s>>p>>q;
        virat=1,rohit=1;
        cnt=0;
        a=n-m+1;
        while(s--)
        {
            virat+=p;
            rohit+=q;
            if(virat>=m)
            {
                virat-=m;
                virat%=a;
                virat+=m;
            }
            if(rohit>=m)
            {
                rohit-=m;
                rohit%=a;
                rohit+=m;
            }
            if(virat==rohit)
                cnt++;
        }
        cout<<cnt<<endl;
    }
    return 0;
}